Home / 4,788.88-7,183.34-2,190

Finding the Fourth Proportional to 4,788.88, 7,183.34 and 2,190

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Solution

The fourth proportional to 4,788.88, 7,183.34 and 2,190 is: 3,285.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.88 : 7,183.34 = 2,190 : x
  2. Step 2: Convert to fraction form
    4,788.88/7,183.34 = 2,190/x
  3. Step 3: Cross multiply
    4,788.88x = 7,183.34 × 2,190
  4. Step 4: Simplify right side
    4,788.88x = 15,731,514.60
  5. Step 5: Solve for x
    x = 15,731,514.60/4,788.88
  6. Step 6: Final answer
    x = 3,285.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.